847448 has 32 divisors (see below), whose sum is σ = 1869600. Its totient is φ = 352512.

The previous prime is 847423. The next prime is 847453. The reversal of 847448 is 844748.

It is a super-2 number, since 2×847448² = 1436336225408, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 847448.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1868 + ... + 2276.

It is an arithmetic number, because the mean of its divisors is an integer number (58425).

2⁸⁴⁷⁴⁴⁸ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 847448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (934800).

847448 is an abundant number, since it is smaller than the sum of its proper divisors (1022152).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

847448 is a wasteful number, since it uses less digits than its factorization.

847448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459 (or 455 counting only the distinct ones).

The product of its digits is 28672, while the sum is 35.

The square root of 847448 is about 920.5693890196. The cubic root of 847448 is about 94.6319275653.

It can be divided in two parts, 847 and 448, that multiplied together give a square (379456 = 616²).

The spelling of 847448 in words is "eight hundred forty-seven thousand, four hundred forty-eight".